54 Chester Square London SW1W 9EA Data via plota.co.uk
26/01217/LBC - Listed Building Consent Application
Refused
Proposal
Removal of existing front lightwell and roof level air-conditioning units, installation of two new air-conditioning units and acoustic enclosure at main roof level, and removal and replacement of external CCTV cameras. Associated internal works using existing service routes. (Linked to RN: 26/01216/FULL). Data via plota.co.uk
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Application progress
✓
Received
26 Feb 2026
✓
Validated
2 Apr 2026
✗
Refused
3 Jul 2026
Appeal
Not lodged
Refused on 3 Jul 2026 · Delegated Decision · Last checked 8 Jul 2026
Documents 39
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 29
PDF
2534-SU-1108 - EXISTING FIFTH FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1109 - EXISTING ROOF PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1201 - EXISTING FRONT AND REAR ELEVATIONS
Drawing · 26 Feb 2026
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PDF
2534-SU-1301 - EXISTING SECTION A-A
Drawing · 26 Feb 2026
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PDF
2534-P-1101 - PROPOSED BASEMENT PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1102 - PROPOSED LOWER GROUND FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1103 - PROPOSED GROUND FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1104 - PROPOSED FIRST FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1105 - PROPOSED SECOND FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1106 - PROPOSED THIRD FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1107 - PROPOSED FOURTH FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1108-A - PROPOSED FIFTH FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1109-A - PROPOSED ROOF PLAN
Drawing · 26 Feb 2026
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PDF
2534-P-1201-A - PROPOSED FRONT AND REAR ELEVATIONS
Drawing · 26 Feb 2026
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PDF
2534-P-1301 - PROPOSED SECTION A-A
Drawing · 26 Feb 2026
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PDF
2534-P-1302 - PROPOSED STREET SECTION A-A
Drawing · 26 Feb 2026
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PDF
ACOUSTIC ENCLOSURE DETAILS II
Drawing · 26 Feb 2026
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PDF
2534-P-L101 - LOCATION AND BLOCK PLANS
Drawing · 26 Feb 2026
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PDF
2534-SU-1101 - EXISTING BASEMENT PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1102 - EXISTING LOWER GROUND FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1103 - EXISTING GROUND FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1104 - EXISTING FIRST FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1105 - EXISTING SECOND FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1106 - EXISTING THIRD FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
2534-SU-1107 - EXISTING FOURTH FLOOR PLAN
Drawing · 26 Feb 2026
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PDF
ACOUSTIC ENCLOSURE TYPICAL SECTION
Drawing · 26 Feb 2026
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PDF
ACOUSTIC ENCLOSURE TYPICAL ISOMETRIC
Drawing · 26 Feb 2026
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PDF
ACOUSTIC ENCLOSURE DETAILS
Drawing · 26 Feb 2026
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PDF
CCTV SPECIFICATION
Drawing · 26 Feb 2026
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Application forms 1
Consultation & comments 1
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Internal alterations.
Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- SW1W 9EA
- Received
- 26 Feb 2026
- Validated
- 2 Apr 2026
- Ward
- Knightsbridge & Belgravia
- Case officer
- Track to view
- Target decision
- 28 May 2026
- Decision
- Application Refused
- Decision date
- 3 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Track to view
- Agent
- Smith Jenkins Ltd
Consultation & key dates
- Alt. reference
- PP-14716344
- Press notice
- 15 Apr 2026
- Env. assessment
- No
Historical activity at this location
41 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2025
Replacement roof to existing rear link extension to extend existing roof terrace with ass…
2025
Replacement roof to existing rear link extension to extend existing roof terrace with ass…
2024
Approved
Internal alterations at fifth floor level.
2024
Alterations to level the glass roof over the existing ground floor conservatory and the e…
2024
Alterations to level the glass roof over the existing ground floor conservatory and the e…
2021
Approved
Alterations to level the glass roof over the existing ground floor conservatory and erect…
2021
Approved
Variation of conditions 1 and 4 of planning permission dated 15 September 2021 (RN: 21/04…
2021
Approved
Internal alterations at fifth floor level
2021
Approved
Alterations to level the glass roof over the existing ground floor conservatory and erect…
2021
Approved
Alterations to level the glass roof over the existing ground floor conservatory and erect…
2016
Approved
Internal alterations at fifth floor level. (Option 1)
2016
Approved
Internal alterations at fifth floor level. (Option 3)
2016
Approved
Internal alterations at fifth floor level. (Option 2)
2016
Approved
Internal alterations at fifth floor level. (Option 4)
2016
Approved
Erection of a rear single storey glazed extension at first floor level.
2016
Approved
Erection of a rear single storey glazed extension at first floor level. Minor internal al…
Within ~100m
Nearby activity
2025
Approved
50 - 52 Elizabeth Street London SW1W 9PB
Replacement of three existing extending/retractable awnings, with three new traditional p…
2025
47 Chester Square London SW1W 9EA
Internal alterations. (Linked with 25/08223/FULL)
2025
47 Chester Square London SW1W 9EA
Variation of Condition 1 of planning permssion dated 10th September 2025 (RN:24/05375/FUL…
2025
Approved
60 Chester Square London SW1W 9EA
Confirmation that the planning permission dated 02 January 2002 (RN: 01/09015/FULL) for t…
2025
Approved
50 - 52 Elizabeth Street London SW1W 9PB
Replacement of three existing extending/retractable folding arm shop awnings, with three…
2025
Withdrawn
46 Chester Square London SW1W 9EA
Erection of rear first floor orangery extension. (Linked RN: 25/05499/LBC)
2025
Withdrawn
46 Chester Square London SW1W 9EA
Erection of rear first floor orangery extension. (Linked RN: 25/05498/FULL)
2025
Basement And Ground Floor Maisonette 101 Ebury Street London SW1W 9QU
Removal of existing rear extension and replacement extension at ground floor level; incor…
2025
Basement And Ground Floor Maisonette 101 Ebury Street London SW1W 9QU
Removal of existing rear extension and replacement extension at ground floor level and in…
2025
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms; external works including wind…
2025
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms, external works including wind…
2025
Approved
Open Space Centre Of Chester Square London SW1W 9HS
Removal of x1 dead crab apple
2025
Approved
98 Ebury Mews London SW1W 9NX
Erection of ground floor rear extension with glazed roof; replacement of first floor balc…
2025
Approved
Chester Square London
Katsura Tree (T100213): Fell. Cherry Plum (T187): Prune to clear parking sign by 0.5 m. W…
2025
Withdrawn
Open Space Centre Of Chester Square London SW1W 9HS
1 x crab apple (T162): Fell
2025
48 Elizabeth Street London SW1W 9PA
Use of first and second floors as a self-contained dwelling (Class C3), installation of P…
2025
46 Chester Square London SW1W 9EA
Internal and external alterations including refurbishment; replacement of ornamental sche…
2025
46 Chester Square London SW1W 9EA
External alterations including installation of new windows; erection of rebuilt extension…
2025
Approved
60 Ebury Street London SW1W 9QD
2 x olive trees (T1 & T2, rear garden): Reduce crowns by approximately 1.5 m, back to the…
2025
94 Ebury Street London SW1W 9QD
Part demolition of existing rear extension and construction of new rear extension at grou…
2021
Approved
46 Chester Square London SW1W 9EA
Relocation of heating system to vaults, installation of CCTV cameras, lighting and trelli…
2021
Approved
46 Chester Square London SW1W 9EA
Installation of cctv cameras, lighting and trellises to rear garden, external air conditi…
2022
111 - 113 Ebury Street London SW1W 9QU
Alterations to 111 and 113 Ebury Street comprising demolition and replacement of gabled w…
2022
Approved
115 Ebury Street London SW1W 9QU
1 x London plane (T100119): Reduce crown to previous most recent reduction points retaini…
2021
Approved
68A Ebury Street London SW1W 9QD
Removal of existing glazed extension and construction of two storey timber glazed extensi…
Westminster
Planning Authority Score
3.7/10
Below average
#209 of 292 councils
Relevant to this application:
Other decisions
Westminster is slower than most councils at deciding householder applications, ranking #227 out of 292. Only 27% of applications have the time limit extended, well below the 40% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.
One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application.
View full council performance
Westminster decision performance
Based on MHCLG data, 2025
86%
Overall approval rate
Below avg (87%) #200 of 292
79%
Householder approved
Below avg (90%) #279 of 292
53%
Decided in 8 weeks
Below avg (64%) #227 of 292
27%
Extended time limit
Below avg (40%) #43 of 292
86%
Minor dwellings approved
14 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
86%
Change of use approved
140 decided
4,828
Total decisions
669 refused in 2025
Track this application
54 Chester Square London SW1W 9EA